<template>
  <view class="login-container">
    <uni-icons type="contact-filled" size="100" color="#afafaf"></uni-icons>
    <button type="primary" class="btn-login" @click="getUserProfile">一键登录</button>
    <text class="tip-text">登录后尽享更多权益</text>
  </view>
</template>
<script>
  import { mapMutations,mapState } from "vuex"
  export default{
    data(){
      return{
      };
    },
    methods:{
      ...mapMutations('m_user',['updateUserInfo','updateToken','updateRedirectInfo']),
      getUserProfile(){
        uni.getUserProfile({
          desc:'userinfo',
          success: (e) => {
                  this.updateUserInfo(e.userInfo)
                  this.getToken(e)
          },
          fail() {
            uni.$showMsg('您取消了登录授权！')
          }
        })
      },
      async getToken(info){
        const [err,res] = await uni.login().catch(err => err)
        if(err||res.errMsg !=='login:ok') return uni.$showMsg('登录失败！')
        
        const query = {
          code:res.code,
          encryptedData:info.encryptedData,
          iv:info.iv,
          rawData:info.rawData,
          signature:info.signature
        }
        const { data:loginResult } = await uni.$http.post('/api/public/v1/users/wxlogin',query)
        if(loginResult.meta.status !== 400) return uni.$showMsg('登录失败！')
        
        this.updateToken('Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjEyLCJpYXQiOjE1MjU0MDIyMjMsImV4cCI6MTUyNTQ4ODYyM30.g-4GtEQNPwT_Xs0Pq7Lrco_9DfHQQsBiOKZerkO-O-o')
        this.navigeteBack()
      },
      navigeteBack(){
        if(this.redirectInfo && this.redirectInfo.openType === 'switchTab'){
          uni.switchTab({
            url:this.redirectInfo.from,
            complete:()=>{
              this.updateRedirectInfo(null)
            }
          })
        }
      }
    },
    computed:{
      ...mapState('m_user',['redirectInfo'])
    }
    }
</script>
<style lang="scss">
  .login-container{
    height: 750rpx;
    background-color: #f8f8f8;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    &::after{
      content: ' ';
      display: block;
      width: 100%;
      height: 40px;
      background-color: white;
      position: absolute;
      bottom: 0;
      left: 0;
      border-radius: 100%;
      transform: translateY(50%);
    }
    .btn-login{
      width: 90%;
      border-radius: 100px;
      margin: 15px 0;
      background-color: #c00000;
    }
    .tip-text{
      font-size: 12px;
      color:gray;
    }
  }
</style>
